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Local Restaurant
a Local Restaurant Claimed in an Advertisement That α\alpha

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Local Restaurant
A local restaurant claimed in an advertisement that at least 80% of their customers rate their establishment as "Excellent".An independent survey company asked 200 customers their opinion and from this random sample,168 customers rated the establishment "Excellent".Use α\alpha = 0.05.
-H0: μμ0\mu \geq \mu _ { 0 } ,H1: μ<μ0\mu < \mu _ { 0 } ; n > 30 and α\alpha = 0.10.
State the appropriate decision rule.

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